<template>
  <div class="app-container">

    <div class="filter-container">
      <el-input v-model="listQuery.name" placeholder="订单ID" style="width: 200px;" class="filter-item" @keyup.enter.native="handleFilter" />
      <!--递增递减排序-->
      <el-select v-model="listQuery.sort" style="width: 140px" class="filter-item" @change="handleFilter">
        <el-option v-for="item in sortOptions" :key="item.key" :label="item.label" :value="item.key" />
      </el-select>
      <el-button v-waves class="filter-item" type="primary" icon="el-icon-search" @click="handleFilter">
        搜索
      </el-button>
      <el-button v-waves :loading="downloadLoading" class="filter-item" type="primary" icon="el-icon-download" @click="handleDownload">
        导出
      </el-button>
    </div>

    <el-table
      :key="tableKey"
      v-loading="listLoading"
      :data="list"
      border
      fit
      highlight-current-row
      style="width: 100%;"
      @sort-change="sortChange"
    >
      <el-table-column label="ID" prop="ID" sortable="custom" align="center" width="70px" :class-name="getSortClass('ID')">
        <template slot-scope="{row}">
          <span>{{ row.id }}</span>
        </template>
      </el-table-column>

      <el-table-column label="申请时间" width="160px" align="center">
        <template slot-scope="{row}">
          <span>{{ row.applyTime | parseTime('{y}-{m}-{d} {h}:{i}') }}</span>
        </template>
      </el-table-column>

      <el-table-column label="申请原因" width="285px" align="center">
        <template slot-scope="{row}">
          <span>{{ row.reason }}</span>
        </template>
      </el-table-column>
      <el-table-column label="处理状态" class-name="status-col" width="100">
        <template slot-scope="{row}">
          <el-tag v-if="row.status==1" type="success">
            已处理
          </el-tag>
          <el-tag v-if="row.status==0" type="danger">
            待处理
          </el-tag>
        </template>
      </el-table-column>
      <el-table-column label="处理时间" width="160px" align="center">
        <template slot-scope="{row}">
          <span>{{ row.handTime | parseTime('{y}-{m}-{d} {h}:{i}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="处理结果" width="285px" align="center">
        <template slot-scope="{row}">
          <span>{{ row.result }}</span>
        </template>
      </el-table-column>

      <el-table-column label="Actions" align="center" width="230" class-name="small-padding fixed-width">
        <template slot-scope="{row,$index}">
          <el-button v-if="row.status==0" type="primary" size="mini" @click="handleUpdate(row)">
            处理订单
          </el-button>
          <el-button v-if="row.status==1" size="mini" type="danger" @click="handleDelete(row,$index)">
            删除订单
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="listQuery.page" :limit.sync="listQuery.limit" @pagination="getList" />

    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form ref="dataForm" :rules="rules" :model="temp" label-position="left" label-width="80px" style="width: 400px; margin-left:50px;">
        <el-form-item label="订单编号" prop="id">
          <el-input v-model="temp.id" disabled />
        </el-form-item>
        <el-form-item label="申请理由" prop="name">
          <el-input v-model="temp.reason" disabled />
        </el-form-item>
        <el-form-item label="申请时间" prop="applyTime">
          <el-date-picker v-model="temp.applyTime" type="datetime" disabled placeholder="Please pick a date" />
        </el-form-item>
        <el-form-item label="处理意见" prop="result">
          <el-select v-model="temp.result" class="filter-item" placeholder="请选择处理结果">
            <el-option v-for="item in calendarTypeOptions" :key="item.display_name" :label="item.display_name" :value="item.display_name" />
          </el-select>
        </el-form-item>
        <el-form-item label="其他备注">
          <el-input v-model="desciption" :autosize="{ minRows: 2, maxRows: 4}" type="textarea" placeholder="如有特殊说明请填写" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">
          取消修改
        </el-button>
        <el-button type="primary" @click="updateData()">
          确认修改
        </el-button>
      </div>
    </el-dialog>

    <el-dialog :visible.sync="dialogPvVisible" title="Reading statistics">
      <el-table :data="pvData" border fit highlight-current-row style="width: 100%">
        <el-table-column prop="key" label="Channel" />
        <el-table-column prop="pv" label="Pv" />
      </el-table>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="dialogPvVisible = false">Confirm</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import { fetchPv, createArticle } from '@/api/article'
import waves from '@/directive/waves' // waves directive
import { parseTime } from '@/utils'
import { jiufenOrder, DeleteJiuFenOrder, UpdateJiuFenOrder } from '@/api/order'
import Pagination from '@/components/Pagination'

const calendarTypeOptions = [
  { key: '同意退货退款', display_name: '同意退货退款' },
  { key: '同意退货退款', display_name: '驳回买家请求' },
  { key: '同意退货退款', display_name: '商家部分赔偿' }
]

// const calendarTypeKeyValue = calendarTypeOptions.reduce((acc, cur) => {
//   acc[cur.key] = cur.display_name
//   return acc
// }, {})

export default {
  name: 'Jiufen',
  components: { Pagination },
  directives: { waves },
  filters: {
    statusFilter(status) {
      const statusMap = {
        published: 'success',
        draft: 'info',
        deleted: 'danger'
      }
      return statusMap[status]
    }
    // typeFilter(type) {
    //   return calendarTypeKeyValue[type]
    // }
  },
  data() {
    return {
      desciption: '',
      tableKey: 1,
      list: null,
      total: 0,
      listLoading: true,
      listQuery: {
        page: 1,
        limit: 10,
        name: '',
        importance: undefined,
        title: undefined,
        type: undefined,
        sort: '+id'
      },
      importanceOptions: [1, 2, 3],
      calendarTypeOptions,
      sortOptions: [{ label: 'ID 递增排序', key: '+id' }],
      statusOptions: ['published', 'draft', 'deleted'],
      showReviewer: false,
      temp: {
        id: undefined,
        importance: 1,
        remark: '',
        timestamp: new Date(),
        title: '',
        type: '',
        status: 'published'
      },
      dialogFormVisible: false,
      dialogStatus: '',
      textMap: {
        update: '订单处理',
        create: '添加商品'
      },
      dialogPvVisible: false,
      pvData: [],
      rules: {
        type: [{ required: true, message: 'type is required', trigger: 'change' }],
        timestamp: [{ type: 'date', required: true, message: 'timestamp is required', trigger: 'change' }],
        title: [{ required: true, message: 'title is required', trigger: 'blur' }]
      },
      downloadLoading: false
    }
  },
  created() {
    this.getList()
  },
  methods: {
    getList() {
      this.listLoading = true
      // fetchList(this.listQuery).then(response => {
      //   this.list = response.data.items
      //   this.total = response.data.total

      //   // Just to simulate the time of the request
      //   setTimeout(() => {
      //     this.listLoading = false
      //   }, 1.5 * 1000)
      // })
      jiufenOrder(this.listQuery).then(response => {
        this.list = response.data.list
        this.total = response.data.total
        console.log(this.list)
        setTimeout(() => {
          this.listLoading = false
        }, 1.5 * 1000)
      })

      this.listLoading = false
    },

    handleFilter() {
      this.listQuery.page = 1
      this.getList()
    },

    sortChange(data) {
      const { prop, order } = data
      if (prop === 'ID') {
        this.sortByID(order)
      }
    },
    sortByID(order) {
      if (order === 'ascending') {
        this.listQuery.sort = '+id'
      } else {
        this.listQuery.sort = '-id'
      }
      this.handleFilter()
    },
    resetTemp() {
      this.temp = {
        id: undefined,
        importance: 1,
        remark: '',
        timestamp: new Date(),
        title: '',
        status: 'published',
        type: ''
      }
    },
    handleCreate() {
      this.resetTemp()
      this.dialogStatus = 'create'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    createData() {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          this.temp.id = parseInt(Math.random() * 100) + 1024 // mock a id
          this.temp.author = 'vue-element-admin'
          createArticle(this.temp).then(() => {
            this.list.unshift(this.temp)
            this.dialogFormVisible = false
            this.$notify({
              title: 'Success',
              message: 'Created Successfully',
              type: 'success',
              duration: 2000
            })
          })
        }
      })
    },
    handleUpdate(row) {
      this.temp = Object.assign({}, row) // copy obj
      this.temp.timestamp = new Date(this.temp.timestamp)
      this.dialogStatus = 'update'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    updateData() {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          UpdateJiuFenOrder(this.temp).then(response => {
            this.dialogFormVisible = false
            this.$notify({
              title: 'Success',
              message: 'Update Successfully',
              type: 'success',
              duration: 2000
            })
            setTimeout(() => {
              this.listLoading = false
            }, 1.5 * 1000)
          })
        }
      })
      this.getList()
    },

    handleDelete(row, index) {
      DeleteJiuFenOrder(row).then(response => {
        this.$notify({
          title: 'Success',
          message: 'Delete Successfully',
          type: 'success',
          duration: 2000
        })
        setTimeout(() => {
          this.listLoading = false
        }, 1.5 * 1000)
      })
      this.list.splice(index, 1)
    },

    handleFetchPv(pv) {
      fetchPv(pv).then(response => {
        this.pvData = response.data.pvData
        this.dialogPvVisible = true
      })
    },
    handleDownload() {
      this.downloadLoading = true
      import('@/vendor/Export2Excel').then(excel => {
        const tHeader = ['ID', '申请时间', '申请原因', '处理状态', '处理结果']
        const filterVal = ['id', 'applyTime', 'reason', 'status', 'result']
        const data = this.formatJson(filterVal)
        excel.export_json_to_excel({
          header: tHeader,
          data,
          filename: '纠纷订单'
        })
        this.downloadLoading = false
      })
    },
    formatJson(filterVal) {
      return this.list.map(v => filterVal.map(j => {
        if (j === 'applyTime') {
          return parseTime(v[j])
        } else {
          return v[j]
        }
      }))
    },
    getSortClass: function(key) {
      const sort = this.listQuery.sort
      return sort === `+${key}` ? 'ascending' : 'descending'
    }
  }
}
</script>
